(浙江卷2). Many lifestyle patterns do such __ great harm to health that they actually speed up __weakening of the human body.
.The majority of doctors ______ smoking is harmful to health.
.The majority of the damage ______ easy to repair.
.Four-fifths of the crop ______.
.Three-fourths of the buildings ______.
.Early to bed and early to rise ______ a man healthy, happy and wise.